290445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 501024

約数和(自身を除く): 210579

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 289, 335, 867, 1005, 1139, 1445, 3417, 4335, 5695, 17085, 19363, 58089, 96815, 290445]

約数ペア:

[(1, 290445), (3, 96815), (5, 58089), (15, 19363), (17, 17085), (51, 5695), (67, 4335), (85, 3417), (201, 1445), (255, 1139), (289, 1005), (335, 867)]